Lake Navajo Water Database

Navajo Lake, San Juan River, Fly Fishing

Lake Navajo




Water Summary
Today is day 232 of 365 for water year 2026. We are 64% through the Water Year.
Last Reading: 6037.05 on Wednesday, May 20th, 2026
Lake Navajo was last within 3" of this elevation on May 19, 2026

Elevation & Content Water Inflow Data Navajo Dam Release Data
Lake Navajo is 47.95 feet below Full Pool (Elevation 6085.00 )

By content, Lake Navajo is 0% of Full Pool (1,696,000 af)
Total inflows for water year 2026: 348,477 acre feet

This is 74.9% of the average of 465,237 acre feet
Total releases for water year 2026: 167,901 acre feet

This is % of last year's release of 381,653 acre feet
During WY 2026, water storage has fallen by 876,624 AF yet total inflows have exceeded total outflows by 180,576 AF
Inflows for WY 2026 are 162.43% of WY 2025          Rivers feeding Lake Navajo are running at 23.85% of the avg. Click for Details

Lake Navajo is down -2.14 feet from one year ago.    Lake Navajo is down 0.14 feet from the high for water year.

View Acre Feet     Last 14 Measurements
Lake Navajo is up 0.54 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP
Wed, May 20, 2026
6037.05
0.05
613
306
73.2
51.5
Tue, May 19, 2026
6037.00
0.05
1,029,430
759
450
73.0
44.6
Mon, May 18, 2026
6036.95
0.07
1,028,917
818
408
64.6
52.0
Sun, May 17, 2026
6036.88
0.09
1,028,198
888
376
76.8
56.8
Sat, May 16, 2026
6036.79
0.13
1,027,275
1089
371
82.9
56.4
Fri, May 15, 2026
6036.66
0.16
1,025,943
1277
369
81.5
51.8
Thu, May 14, 2026
6036.50
0.11
1,024,306
1004
392
79.5
54.5
Wed, May 13, 2026
6036.39
0.04
1,023,182
725
474
85.7
56.5
Tue, May 12, 2026
6036.35
0.01
1,022,773
620
524
86.2
52.3
Mon, May 11, 2026
6036.34
-0.02
1,022,671
501
560
81.7
52.1
Sun, May 10, 2026
6036.36
-0.01
1,022,875
572
580
77.5
50.9
Sat, May 09, 2026
6036.37
-0.07
1,022,977
324
641
80.4
52.5
Fri, May 08, 2026
6036.44
-0.07
1,023,692
320
638
79.3
47.5
Thu, May 07, 2026
6036.51
0.00
1,024,408
751
612
68.9
36.8
Averages of List
6036.61
0.04
1,025,127
732.9
478.6
77.9
51.2

Averages for May 20th

AVERAGE TYPE ELEVATION CUR ELEV vs AVG FOR DATE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP
Since Filled (06-25-1973)
6057.01
-19.96
1,322,362
3424.19
1558.94
79.20
48.00
All-Time
6044.99
-7.94
1,213,694
3548.95
1455.59
79.20
48.00

Last 10 May 20th's data records

DATE MEASURED ELEVATION TODAY vs THEN CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP
Tue, May 20, 2025
6039.19
-2.14
1,052,120
1235
397
71.8
36.5
Mon, May 20, 2024
6047.34
-10.29
1,140,685
3120
353
78.2
54.7
Sat, May 20, 2023
6061.40
-24.35
1,310,380
7287
30
76.3
55.0
Fri, May 20, 2022
6029.13
7.92
951,105
1685
291
81.0
57.0
Thu, May 20, 2021
6036.30
0.75
1,073,353
1754
325
85.0
55.0
Wed, May 20, 2020
6060.34
-23.29
1,352,125
2323
539
71.0
48.0
Mon, May 20, 2019
6051.14
-14.09
1,239,007
3198
414
81.0
37.0
Sun, May 20, 2018
6050.37
-13.32
1,229,904
1143
488
82.0
54.0
Sat, May 20, 2017
6077.08
-40.03
1,581,490
2725
4013
66.0
30.0
Fri, May 20, 2016
6074.92
-37.87
1,550,084
2801
2870
82.0
48.0
Averages of List
6052.90
-15.85
1,250,045
2881
1083
73.4
45.1


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Measurements are taken at 11:59 pm of the date listed
Temperature data is from Navajo Dam, NM
CHANGE represents water elevation change from previous day

Units used in each measurement:
Elevation - Feet above sea level
Change - Feet difference over previous measurement
Content - Acre Feet
Inflow - Average Cubic Feet / Second over entire 24 hour period
Outflow - Average Cubic Feet / Second over entire 24 hour period
All Temps - Degrees Farhenheit
The Water Year runs from October 1 to September 30 of the next year
Acre Feet = 1.9835 * Flow CFS
TP = Total Precipitation



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Copyright Water-Data.com
Water data courtesy of US Bureau of Reclamation
The water year runs from Oct 1 - Sept 30
*Air temp data is sourced from (Prev 24 Hr Extremes):    Farmington, NM Weather
Water data sourced from: Lake Navajo Source Data
Weather forecast for Navajo Dam, NM
All data is provisional and subject to review and modification


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1999 - 2026



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Lake Navajo Water Database
Navajo Lake, San Juan River, Fly Fishing